Featured interview: Financial expert Michael Pettis

China's economic troubles continue, prompting the country's central bank today to cut interest rates for the second time in three months. However, the bank unexpectedly kept the five-year rate unchanged. Markets were expecting Beijing to offer more support for the property sector which makes up around 25% of the economy. Joining Julia to discuss is Michael Pettis, professor of finance at Peking University’s Guanghua School of Management, where he specializes in Chinese financial markets. To learn more about how CNN protects listener privacy, visit cnn.com/privacy